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Framebuilders Thinking about a custom frame? Lugged vs Fillet Brazed. Different Frame materials? Newvex or Pacenti Lugs? why get a custom Road, Mountain, or Track Frame? Got a question about framebuilding? Lets discuss framebuilding at it's finest.

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Old 03-22-10, 10:03 AM   #1
Cassave
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Building a Mixte

Since it's been a while since I built a frame and since my wife has been hinting about doing a little more riding I figured it's time to build her a new bike. It's my first shot at a mixte and it's
coming out pretty good.

Nova CroMo butted tubeset, Everest crankshell and LS lugs. (package deal for $127, not bad)
1/2 x .035 4130 for the twin top tubes. The intermediate stays are
14mm tapered seatstays joined to the 1/2" tubes abeam the seat tube.
Upper head lug and seatlug started out as normal diamond frame lugs, now with the TT sockets
cut away and steel plates brazed into the openings.

Next come bridges, cable stops, eyelets etc. Fork gets built next week.

Final setup will be 700C wheels, SA 3sp. hub, upright bars, a stainless rear rack and
a kick stand (another first).

A few pics to start;












Last edited by Cassave; 02-20-12 at 11:52 AM.
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Old 03-22-10, 10:43 AM   #2
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Beautiful. How about an "aft" picture of the top head tube lug? I think the only things I would have changed would be a plate for the kickstand rather than the reinforcements, and full rack/water bottle mounts.

Nice work.

Pete
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Old 03-22-10, 10:51 AM   #3
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A beauty! Thanks for sharing.

Funny my *first* build (arrgh can't wait to start) will also be a woman's frame, although fillet-brazed (except BB) and with a slanted 1" TT.

What did you use to replace the cut off sockets of the upper head and seat lug? Love the sleeved joints for the middle stays, and the kickstand plate!
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Old 03-22-10, 11:08 AM   #4
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Beautiful. How about an "aft" picture of the top head tube lug? I think the only things I would have changed would be a plate for the kickstand rather than the reinforcements, and full rack/water bottle mounts.

Nice work.

Pete
I'll take more pictures as I go along.
The kickstand plates are stainless. There are 3 3/16" stainless pins brazed through the chainstays with about 1/8" extended out the bottom. The kickstand itself contacts the pins, placing them in compression against the upper plates.
This isolates the stays from clamping forces, should work nicely.

Full bosses and eyelets are on the way, after the brake, seat stay and top tube bridges.
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Old 03-22-10, 11:10 AM   #5
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Beautiful....I see this and I really want to try building a frame....... I can see my wife rolling her eyes now
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Old 03-22-10, 11:25 AM   #6
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Beautiful....I see this and I really want to try building a frame....... I can see my wife rolling her eyes now
Build a bike for her. It's a win win.
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Old 03-22-10, 12:36 PM   #7
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do you have clearance at the rear on the mixte stays?
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Old 03-22-10, 12:41 PM   #8
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do you have clearance at the rear on the mixte stays?
Not sure what you mean? Clearance for what?
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Old 03-22-10, 12:44 PM   #9
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the chain

Really nice build too. I wouldn't mind seeing what you did to the top head lug
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Old 03-22-10, 12:44 PM   #10
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the chain

Really nice build too. I wouldn't mind seeing what you did to the top head lug
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Old 03-22-10, 01:45 PM   #11
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the chain

Really nice build too. I wouldn't mind seeing what you did to the top head lug
Fitting with a 10 speed cassette on a Record hub, it's close but this bike is built for a SA S30 hub, plenty of chain clearance there.
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Old 03-22-10, 05:05 PM   #12
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Quote:
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Beautiful....I see this and I really want to try building a frame....... I can see my wife rolling her eyes now
Quote:
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Build a bike for her. It's a win win.
That would get a double eye roll...... there is some history about a bike, in the rain, with bad brakes at UCSB that has her less than bike enamoured......I do get her out on the cruiser some times.
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Old 03-23-10, 09:08 AM   #13
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Goodness gracious! That`s a beauty, allright! I`d put on a skirt and throw a hairy leg over it any day. Seems to me somebod yhad a thread asking about mixte lugs a while back- wonder if he/she`s still looking?
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Old 03-23-10, 09:40 AM   #14
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Very nice! I like the plug you made to fill the top tube port on the seat lug.
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Old 03-23-10, 11:42 AM   #15
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Goodness gracious! That`s a beauty, allright! I`d put on a skirt and throw a hairy leg over it any day. Seems to me somebod yhad a thread asking about mixte lugs a while back- wonder if he/she`s still looking?
no, he had a bike built. I think he really wanted a set of mixte lugs, didn't want bilaminate construction or modified lugs
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Old 03-26-10, 09:30 AM   #16
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Brazed the bridges, cablestops and bottle bosses.
Built up the rear wheel on the Sturmey hub, next is the fork.






Last edited by Cassave; 02-20-12 at 11:54 AM.
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Old 03-26-10, 12:18 PM   #17
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Awesome work! I've been thinking of building a similar frame for my wife with geometry optimized for 650B
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Old 03-26-10, 06:59 PM   #18
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Damn you people and your Gran Compe centerpulls! Why must you taunt me so?

Very nice job.
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Old 03-28-10, 02:23 PM   #19
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Looks great, Cassave. Can't wait to see the finished product.
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Old 03-29-10, 01:32 AM   #20
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Wow, very nice. There are a lot of great personal touches, your wife is a lucky woman.
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Old 03-29-10, 09:38 AM   #21
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Damn you people and your Gran Compe centerpulls! Why must you taunt me so?

Very nice job.
They're pretty but honestly, they're a pain to set up and unless everything is perfect they sqeal pretty bad.

Update;

Frame is finished, all brazing and facing complete.
Started the fork yesterday, bent the blades, brazed the tips, brazed crown to steerer.
Tonight I'll trim the blades, fixture everything and braze them to the crown.

Then on to the rear rack, before paint......
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Old 03-30-10, 09:08 AM   #22
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Finished the last items on the frame, bosses for the rear rack and
built the fork last night. Tonight I'll start the rack itself.






Last edited by Cassave; 02-20-12 at 11:56 AM.
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Old 03-30-10, 11:17 AM   #23
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In the first set of photos (on my computer) the frame looks like it is a metallic teal color.
I think it looks really good and am going to suggest that as a color when you come to paint.
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Old 03-30-10, 11:59 AM   #24
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In the first set of photos (on my computer) the frame looks like it is a metallic teal color.
I think it looks really good and am going to suggest that as a color when you come to paint.

Well, you're not too far off. The current thinking is a very pale metallic blue with cream headtube, DT and ST panels and gold lug lining.

That green came from the camera auto white balanceing against the red tile background.
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Old 03-30-10, 01:31 PM   #25
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That's just beautiful!! Awesome work...

Make sure to share here...
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